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Customer reviews for Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40 4, 1-gallon bottles for
Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40 4, 1-gallon bottles
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4.8 out of 5 stars
stars989 ratings459 reviews
  1. 5 stars92% (908)
  2. 4 stars4% (42)
  3. 3 stars2% (15)
  4. 2 stars1% (7)
  5. 1 star2% (17)

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Showing 151-160 of 459 reviews
Oct 11, 2024
Rusty
1 out of 5 stars review

Verified Purchase

Rebate

Good oil. I have used it for 340k miles. The rebate will only work with a paper reciept

Helpful?71PFIMTJQYAV7192496819
Dec 11, 2023
WalmartCustomer
5 out of 5 stars review

Verified Purchase

[This review was collected as part of a promotion.] cheaper than anywhere else.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Dec 18, 2022
jeanpaul
5 out of 5 stars review

Verified Purchase

the product its the best for semi trucks

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Jan 20, 2023
Esteban
5 out of 5 stars review

Verified Purchase

Quality Service

Great product at a reasonable price. Fast delivery.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Dec 8, 2024
JayH
5 out of 5 stars review

Verified Purchase

Excellent price %26 quality

Excellent price and always available

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
May 10, 2021
Pittsburgh4885
5 out of 5 stars review

Verified Purchase

Diesel Oil

One of the best oils around For your diesel. Happy to see that Sam's club sells this.

Helpful?71PFIMTJQYAV7192496819
Mar 26, 2025
WalmartCustomer
5 out of 5 stars review

Verified Purchase

Best I could find at the time.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Jan 16, 2023
Josh
1 out of 5 stars review

Verified Purchase

NOT SYNTHETIC BLEND

This is not a synthetic blend. It’s conventional oil.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Feb 6, 2025
Adrian
5 out of 5 stars review

Verified Purchase

Competitive pricing

Staple product, best price in this inflated economy.

Helpful?71PFIMTJQYAV7192496819
Dec 13, 2024
Ronald
5 out of 5 stars review

Verified Purchase

RV generator oil

Recommended oil for my RV Onan generator.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819